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Cheap flights from San Antonio to Washington, D.C. Dulles Intl Airport from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Washington, D.C. Dulles Intl Airport departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Antonio to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from San Antonio to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from San Antonio to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Antonio to Washington, D.C.

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All round-trip flight deals from San Antonio to Washington, D.C.

The cheapest plane tickets from San Antonio to Washington, D.C. found on KAYAK recently.
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
$214United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
4:19 pm - 10:30 pmSAT-IAD
5h 11m1 stop
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
$224United Airlines
Find Deal
Sat, Mar 1 - Tue, Mar 4
5:30 am - 12:53 pmSAT-IAD
6h 23m1 stop
5:14 pm - 12:37 amIAD-SAT
8h 23m1 stop
$237Delta
Find Deal
Tue, Mar 18 - Tue, Mar 25
2:31 pm - 11:34 pmSAT-IAD
8h 03m1 stop
5:16 pm - 10:59 pmIAD-SAT
6h 43m1 stop
$253Delta
Find Deal
Sat, Feb 15 - Thu, Feb 20
5:40 am - 3:00 pmSAT-IAD
8h 20m1 stop
5:30 pm - 1:10 amIAD-SAT
8h 40m1 stop
$274Southwest
Find Deal
Wed, Mar 12 - Thu, Mar 13
5:00 am - 1:23 pmSAT-IAD
7h 23m2 stops
5:24 pm - 10:14 pmIAD-SAT
5h 50m1 stop
$314American Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
5:00 am - 1:23 pmSAT-IAD
7h 23m2 stops
9:11 am - 3:44 pmIAD-SAT
7h 33m2 stops
$319American Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
1:40 pm - 11:25 pmSAT-IAD
8h 45m1 stop
6:00 am - 2:50 pmIAD-SAT
9h 50m2 stops
$328Southwest
Find Deal
Tue, Mar 18 - Mon, Mar 24
8:21 pm - 11:24 amSAT-IAD
38h 03m3 stops
8:25 am - 10:22 amIAD-SAT
26h 57m3 stops
Sun, Feb 9 - Sat, Feb 22
10:58 am - 11:20 amSAT-IAD
23h 22m3 stops
12:55 pm - 10:03 amIAD-SAT
22h 08m3 stops
Thu, Apr 3 - Sun, Apr 6
9:03 am - 5:02 pmSAT-IAD
6h 59m1 stop
$75Frontier
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Thu, Apr 10
7:50 pm - 5:13 pmSAT-IAD
20h 23m1 stop
$84Frontier
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Thu, Feb 13
12:08 pm - 4:20 pmSAT-IAD
3h 12mnonstop
$90United Airlines
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Wed, Feb 5
4:00 pm - 10:09 pmSAT-IAD
5h 09m1 stop
$95United Airlines
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Sat, Feb 8
1:35 pm - 10:35 pmSAT-IAD
8h 00m1 stop
$100Southwest
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Tue, Apr 15
5:30 am - 12:45 pmSAT-IAD
6h 15m1 stop
$119Delta
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Sat, Feb 22
6:31 pm - 12:20 amSAT-IAD
4h 49m1 stop
$124Delta
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Sat, Feb 22
6:05 am - 4:40 pmSAT-IAD
9h 35m1 stop
$135Southwest
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Sat, Mar 1
12:33 pm - 11:53 pmSAT-IAD
10h 20m2 stops
$175American Airlines
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Tue, Feb 25
6:00 am - 4:01 pmSAT-IAD
9h 01m2 stops
$204American Airlines
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Thu, Feb 27
2:30 pm - 11:36 pmSAT-IAD
8h 06m1 stop
6:00 am - 12:54 pmIAD-SAT
7h 54m1 stop
$383Delta
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Tue, Jan 28 - Tue, Feb 11
12:13 pm - 4:25 pmSAT-IAD
3h 12mnonstop
6:00 am - 1:24 pmIAD-SAT
8h 24m1 stop
$459United Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 1
4:00 pm - 10:09 pmSAT-IAD
5h 09m1 stop
8:25 am - 3:42 pmIAD-SAT
8h 17m1 stop
$464United Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 1
1:59 pm - 9:05 pmSAT-IAD
6h 06m1 stop
5:16 pm - 11:21 pmIAD-SAT
7h 05m1 stop
$469Delta
Find Deal
Mon, Jan 27 - Sat, Feb 1
12:07 pm - 7:35 pmSAT-IAD
6h 28m1 stop
9:11 am - 4:51 pmIAD-SAT
8h 40m2 stops
$474American Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 1
9:10 am - 7:35 pmSAT-IAD
9h 25m2 stops
9:11 am - 4:51 pmIAD-SAT
8h 40m2 stops
$479American Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 1
7:45 am - 11:55 amSAT-IAD
3h 10mnonstop
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
$482United Airlines
Find Deal
Tue, Jan 28 - Sat, Feb 1
12:10 pm - 11:05 pmSAT-IAD
9h 55m1 stop
6:55 am - 9:35 pmIAD-SAT
15h 40m2 stops
$785Southwest
Find Deal
Fri, Jan 24 - Sun, Jan 26
10:15 am - 5:57 pmSAT-IAD
30h 42m2 stops
6:57 pm - 2:07 pmIAD-SAT
20h 10m1 stop
$1,670Alaska Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
3:15 pm - 5:57 pmSAT-IAD
25h 42m2 stops
6:57 pm - 4:50 pmIAD-SAT
22h 53m2 stops
$1,675Alaska Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
$214United Airlines
Find Deal
Sat, Mar 1 - Wed, Mar 5
7:45 am - 11:55 amSAT-IAD
3h 10mnonstop
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
$234United Airlines
Find Deal
Sat, Feb 8 - Mon, Feb 10
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
$249United Airlines
Find Deal
Thu, Feb 20 - Mon, Feb 24
7:00 am - 11:11 amSAT-IAD
3h 11mnonstop
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
$259United Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
12:08 pm - 4:20 pmSAT-IAD
3h 12mnonstop
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
$283United Airlines
Find Deal
Thu, Feb 6 - Sat, Feb 8
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
$294United Airlines
Find Deal
Sat, Feb 15 - Sun, Feb 16
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
$309United Airlines
Find Deal
Fri, Feb 21 - Sun, Mar 2
7:00 am - 11:11 amSAT-IAD
3h 11mnonstop
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
$314United Airlines
Find Deal
Mon, Mar 17 - Wed, Mar 26
7:15 am - 11:34 amSAT-IAD
3h 19mnonstop
8:20 am - 11:04 amIAD-SAT
3h 44mnonstop
$319United Airlines
Find Deal
Wed, May 14 - Sun, May 18
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
5:40 pm - 8:46 pmIAD-SAT
4h 06mnonstop
$329United Airlines
Find Deal
Fri, Feb 28 - Sat, Mar 8

United Airlines flights from San Antonio to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on San Antonio to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Mar 1
SAT7:44 amSan Antonio
3h 11m
IAD11:55 amWashington, D.C. Dulles Intl
Mar 5
IAD5:25 pmWashington, D.C. Dulles Intl
3h 54m
SAT8:19 pmSan Antonio
United Airlines
Mar 1
SAT4:19 pmSan Antonio
5h 11m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
Mar 4
IAD8:15 amWashington, D.C. Dulles Intl
3h 54m
SAT11:09 amSan Antonio
United Airlines
Feb 8
SAT7:45 amSan Antonio
3h 10m
IAD11:55 amWashington, D.C. Dulles Intl
Feb 10
IAD5:24 pmWashington, D.C. Dulles Intl
3h 57m
SAT8:21 pmSan Antonio

Delta flights from San Antonio to Washington, D.C. Dulles Intl Airport

Our best Delta deals on San Antonio to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Mar 18
SAT5:30 amSan Antonio
6h 23m
1 stop
IAD12:53 pmWashington, D.C. Dulles Intl
Mar 25
IAD5:14 pmWashington, D.C. Dulles Intl
8h 23m
1 stop
SAT12:37 amSan Antonio
Delta
Feb 15
SAT2:31 pmSan Antonio
8h 03m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
Feb 20
IAD5:16 pmWashington, D.C. Dulles Intl
6h 43m
1 stop
SAT10:59 pmSan Antonio
Delta
Mar 1
SAT4:00 pmSan Antonio
6h 13m
1 stop
IAD11:13 pmWashington, D.C. Dulles Intl
Mar 4
IAD6:00 amWashington, D.C. Dulles Intl
6h 27m
1 stop
SAT11:27 amSan Antonio

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Antonio to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, April is the cheapest month to fly from San Antonio to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $347.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $480. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to Washington, D.C. Dulles Intl Airport for around $778.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from San Antonio at noon is the least expensive time of day to depart. momondo users have found prices as low as $296 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,674 on average. Flights to Washington, D.C. Dulles Intl Airport from San Antonio in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Antonio to Washington, D.C. Dulles Intl flight route?

Fly from San Antonio to Washington, D.C. Dulles Intl for the best San Antonio - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Antonio when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $398 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from San Antonio for as low as $280 on momondo.

What cabin class options are available on San Antonio to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on San Antonio to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Antonio to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of January 2025, prices for San Antonio to Washington, D.C. Dulles Intl Airport flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Washington, D.C. Dulles Intl Airport (SAT to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Washington, D.C. Dulles Intl Airport

Best Price Found

$75

Fastest flight time

3h 10m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from San Antonio in the past 72 hours is $75. The best round-trip flight deal from San Antonio to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $214.
The fastest flight from San Antonio to Washington, D.C. Dulles Intl Airport takes 3h 10m
Direct flights go from San Antonio to Washington, D.C. Dulles Intl Airport every day.

  • How far is San Antonio to Washington, D.C. Dulles Intl by plane?

    San Antonio and Washington, D.C. Dulles Intl are 1365.3 mi apart from one another. In terms of flight time, this usually takes a little over 3h 10m.

  • When did momondo last update prices for flights from San Antonio Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from San Antonio Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Antonio to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from San Antonio to Washington, D.C. Dulles Intl Airport?


Best airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from San Antonio to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $206Free CancellationRating
8.0
8,508 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $241Free CancellationRating
7.4
8,971 reviews
Search United Airlines flights
  • United Airlines Flights From San Antonio to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport, operating 17 flights/week on average for this route. A good United Airlines flight deal for San Antonio to Washington, D.C. Dulles Intl Airport starts from $241 round-trip, up to an average price of $423. Our users have rated United Airlines at 7.4/10.


Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
Laurel
National Harbor
Winchester
Silver Spring
Fredericksburg
Manassas
Woodbridge
Waldorf
Linthicum Heights
Glen Burnie
Gaithersburg
Rockville
Fairfax
Harpers Ferry
Tysons
Towson
Hanover

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Washington, D.C.?

It is quick and easy to find San Antonio to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from San Antonio to Washington, D.C. with flexible booking policies on momondo?

All flight searches from San Antonio to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Antonio to Washington, D.C.?

Once you have performed a search for San Antonio to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Antonio to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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